<template>
  <div class="dashboard">
    <!-- <div class="top">
      <h1>首页</h1>
    </div> -->
    <div class="content" ref="chartDom">

    </div>

  </div>
</template>

<script setup>
import { ref, onMounted,onBeforeUnmount } from 'vue'
import * as echarts from 'echarts';

const chartDom = ref(null)
let myChart = null;
const draw = () => {
  myChart = echarts.init(chartDom.value);
  const option = {
    title: {
      text: '数据统计'
    },
    tooltip: {
      trigger: 'axis'
    },
    legend: {
      data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine']
    },
    grid: {
      left: '3%',
      right: '4%',
      bottom: '3%',
      containLabel: true
    },
    toolbox: {
      feature: {
        saveAsImage: {}
      }
    },
    xAxis: {
      type: 'category',
      boundaryGap: false,
      data: ['星期一', '星期二', '星期四', '星期四', '星期五', '星期六', '星期天']
    },
    yAxis: {
      type: 'value'
    },
    series: [
      {
        name: 'Email',
        type: 'line',
        stack: 'Total',
        clore: 'deepskyblue',
        data: [120, 132, 101, 134, 90, 230, 210]
      },
      {
        name: 'Union Ads',
        type: 'line',
        stack: 'Total',
        data: [220, 182, 191, 234, 290, 330, 310]
      },
      {
        name: 'Video Ads',
        type: 'line',
        stack: 'Total',
        data: [150, 232, 201, 154, 190, 330, 410]
      },
      {
        name: 'Direct',
        type: 'line',
        stack: 'Total',
        data: [320, 332, 301, 334, 390, 330, 320]
      },
      {
        name: 'Search Engine',
        type: 'line',
        stack: 'Total',
        data: [820, 932, 901, 934, 1290, 1330, 1320]
      }
    ]
  }
  myChart.setOption(option);
};

onMounted(() => {
  draw();
});

const handleResize = () => {
  console.log('窗口大小改变');
  myChart.resize();
}


window.addEventListener('resize', handleResize);{
  onBeforeUnmount(() => {
    window.removeEventListener('resize', handleResize); 
  })
}

</script>

<style scoped>
.dashboard {
  /* padding: 20px; */
  width: 100%;
  height: 100%;
  /* display: flex; */
  background-color: #fff;
  border-radius: 6px;
}

.dashboard-content {
  margin-top: 20px;
}

.top {
  width: 100%;
  height: 6%;
  font-size: 18px;
  /* font-weight: bold; */
  border-bottom: 1px solid #888787;
}

.top h1 {
  margin-left: 20px;
  line-height: 40px;
}

.content {
  /* margin-top: 20px; */
  width: 100%;
  height: 96%;
}
</style>